Home / 18,089.12-27,130.04-5,606.16

Finding the Fourth Proportional to 18,089.12, 27,130.04 and 5,606.16

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Solution

The fourth proportional to 18,089.12, 27,130.04 and 5,606.16 is: 8,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.12 : 27,130.04 = 5,606.16 : x
  2. Step 2: Convert to fraction form
    18,089.12/27,130.04 = 5,606.16/x
  3. Step 3: Cross multiply
    18,089.12x = 27,130.04 × 5,606.16
  4. Step 4: Simplify right side
    18,089.12x = 152,095,388.91
  5. Step 5: Solve for x
    x = 152,095,388.91/18,089.12
  6. Step 6: Final answer
    x = 8,408.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.